November 01, 1994 article Group sequential designs for one-sided and two-sided hypothesis testing with provision for early stopping in favor of the null hypothesis Journal of Statistical Planning and Inference DOI: 10.1016/0378-3758(94)90187-2 OpenAlex Authors 0 Author list not loaded yet. Cited by 1 stored of 218 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Randomization in clinical trials with small sample sizes using group sequential designs 2025 PLoS ONE article Mathematics Statistical Methods in Clinical Trials Open access 3 citations 1 result References 0